71468820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 230735232

約数和(自身を除く): 159266412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 61, 69, 90, 92, 115, 122, 138, 180, 183, 207, 230, 244, 276, 283, 305, 345, 366, 414, 460, 549, 566, 610, 690, 732, 828, 849, 915, 1035, 1098, 1132, 1220, 1380, 1403, 1415, 1698, 1830, 2070, 2196, 2547, 2745, 2806, 2830, 3396, 3660, 4140, 4209, 4245, 5094, 5490, 5612, 5660, 6509, 7015, 8418, 8490, 10188, 10980, 12627, 12735, 13018, 14030, 16836, 16980, 17263, 19527, 21045, 25254, 25470, 26036, 28060, 32545, 34526, 39054, 42090, 50508, 50940, 51789, 58581, 63135, 65090, 69052, 78108, 84180, 86315, 97635, 103578, 117162, 126270, 130180, 155367, 172630, 195270, 207156, 234324, 252540, 258945, 292905, 310734, 345260, 390540, 397049, 517890, 585810, 621468, 776835, 794098, 1035780, 1171620, 1191147, 1553670, 1588196, 1985245, 2382294, 3107340, 3573441, 3970490, 4764588, 5955735, 7146882, 7940980, 11911470, 14293764, 17867205, 23822940, 35734410, 71468820]

約数ペア:

[(1, 71468820), (2, 35734410), (3, 23822940), (4, 17867205), (5, 14293764), (6, 11911470), (9, 7940980), (10, 7146882), (12, 5955735), (15, 4764588), (18, 3970490), (20, 3573441), (23, 3107340), (30, 2382294), (36, 1985245), (45, 1588196), (46, 1553670), (60, 1191147), (61, 1171620), (69, 1035780), (90, 794098), (92, 776835), (115, 621468), (122, 585810), (138, 517890), (180, 397049), (183, 390540), (207, 345260), (230, 310734), (244, 292905), (276, 258945), (283, 252540), (305, 234324), (345, 207156), (366, 195270), (414, 172630), (460, 155367), (549, 130180), (566, 126270), (610, 117162), (690, 103578), (732, 97635), (828, 86315), (849, 84180), (915, 78108), (1035, 69052), (1098, 65090), (1132, 63135), (1220, 58581), (1380, 51789), (1403, 50940), (1415, 50508), (1698, 42090), (1830, 39054), (2070, 34526), (2196, 32545), (2547, 28060), (2745, 26036), (2806, 25470), (2830, 25254), (3396, 21045), (3660, 19527), (4140, 17263), (4209, 16980), (4245, 16836), (5094, 14030), (5490, 13018), (5612, 12735), (5660, 12627), (6509, 10980), (7015, 10188), (8418, 8490)]